EmailEngine
Headless email client for automating email interactions via HTTP API.
What’s new
Verified 4h ago## [2.83.1](https://github.com/postalsys/emailengine/compare/v2.83.0...v2.83.1) (2026-10-08)
### Bug Fixes
* ask a service account app's purpose before its authentication method ([42ac521](https://github.com/postalsys/emailengine/commit/42ac521021fabe8976fd86f13da6e8c6d1707ac3))
* close the attached service account review findings ([d567ad8](https://github.com/postalsys/emailengine/commit/d567ad866f90e0ced6b2b1d8fa722e7a74d6ac25))
* drop the beta label from the export API ([21df0b0](https://github.com/postalsys/emailengine/commit/21df0b0e4ad5bb1ef18ce3eb916fa77e9028075d))
* keep the OAuth2 app routes inside their size budget ([8a72c20](https://github.com/postalsys/emailengine/commit/8a72c20188aad62d7cb32401d98869c1ed96a75a))
* rework the OAuth2 app form around what each app connects with ([a000412](https://github.com/postalsys/emailengine/commit/a000412ecc2c233f9fb4cc50fe8486904692a8ba))
Full release notes →
### Bug Fixes
* ask a service account app's purpose before its authentication method ([42ac521](https://github.com/postalsys/emailengine/commit/42ac521021fabe8976fd86f13da6e8c6d1707ac3))
* close the attached service account review findings ([d567ad8](https://github.com/postalsys/emailengine/commit/d567ad866f90e0ced6b2b1d8fa722e7a74d6ac25))
* drop the beta label from the export API ([21df0b0](https://github.com/postalsys/emailengine/commit/21df0b0e4ad5bb1ef18ce3eb916fa77e9028075d))
* keep the OAuth2 app routes inside their size budget ([8a72c20](https://github.com/postalsys/emailengine/commit/8a72c20188aad62d7cb32401d98869c1ed96a75a))
* rework the OAuth2 app form around what each app connects with ([a000412](https://github.com/postalsys/emailengine/commit/a000412ecc2c233f9fb4cc50fe8486904692a8ba))
Official download sources
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Verified checksum File integrity
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SHA-256
6b1e8159630f15642381a5194e16cbac82b051fc3011e340ec6ce28e0602d8bc
Platforms: Windows
EmailEngine compared
A factual, side-by-side overview based only on verified data.
| Attribute | EmailEngine This page | qBittorrent | FileZilla® | WhatsApp Desktop |
|---|---|---|---|---|
| Developer | Postal Systems | qBittorrent Project | FileZilla Project | Meta Platforms, Inc. |
| Category | Communication | Communication | Communication | Communication |
| Platforms | Windows | Windows | Windows | macOS, Windows |
| Official sources | 1 | 1 | 1 | 2 |
| Verified official | ✓ | ✓ | ✓ | ✓ |
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Frequently asked questions
Where can I download EmailEngine safely?
Use the official sources listed on this page. Each link is validated against an approved publisher domain and routes through a safe internal redirect — no third-party or bundled installers.
Which platforms does EmailEngine support?
EmailEngine is available for Windows.
Is this the official EmailEngine download?
Yes. Every source shown here is validated against the publisher’s approved domain and editorially reviewed before being published.
Who develops EmailEngine?
EmailEngine is developed by Postal Systems.
What are the best alternatives to EmailEngine?
Popular alternatives include qBittorrent, Velo and WhatsApp Desktop. See the comparison above for a side-by-side overview.
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